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PubMed1995

[Presentation of the Salas obstetrical forceps (Forceps Salas)].

In the magazine of Gineco Obstetricia de México, January 1988, 30 to 34, I presented the three first models of the Salas forceps. In this article I describe the fourth and last design of my invention which has been patented in the USA as "Salas Obstetric Spatulas". It is mentioned in this article, the advantages of this instrument, which after being used in 533 applications by Dr. Fernandez del Castillo, SC and Dr. Viesca, MA they have come to the conclusion that the Salas instrument is excellent. Laufe et al in his book describe: There is no doubt that these forceps (Salas) could be made more acceptable to US practitioners. It is insisted in the modern classification of the forceps.

Delivery, Obstetric↗
PubMed1993

[The Vienna obstetric forceps].

The 'Wiener Schulzange' was first used by the Second Medical School in Vienna, the beginning of which must be assumed around the year 1848, and goes back to Sir James Young Simpson in Edinburgh and Carl Braun Ritter von Fernwald in Vienna. The forceps was produced in Vienna by Josef Leiter, who was well known for making surgical instruments. Names like Francis Henry Ramsbotham, John Aitken, David Evans, Dietrich Wilhelm Heinrich Busch and Hermann Josef Brünninghausen are connected with the development of the Viennese forceps; its English lock goes back to William Smellie. The arms of the Viennese forceps, which, being a forceps of the crossed type, forms a two-armed lever, were originally forged from one piece each and brazed with the separately manufactured handles.

Austria↗
PubMed2006

A new obstetric forceps for the training of junior doctors: a comparison of the spatial dispersion of forceps blade trajectories between junior and senior obstetricians.

OBJECTIVE: The purpose of this study was to create a new instrument for the training of doctors in the use of forceps and to compare the trajectories of forceps blades between junior and senior obstetricians. STUDY DESIGN: We equipped a simulator and forceps with spatial location sensors. The head of the fetus was in an occipitoanterior location, at a "+5" station. Forceps blade trajectories were analyzed subjectively with the 3-dimensional spatial graph and objectively based on 3 points of special interest. Each obstetrician performed 4 forceps blades placements. We compared the trajectories of junior and senior obstetricians. RESULTS: For senior operators, spatial dispersion was "excellent," "very good," or "good" in 92% of cases, whereas this was the case for only 38% of junior doctors (92% vs 38%; P < .001). CONCLUSION: A new instrument has been designed to demonstrate the trajectory of forceps blades during application in a simulator. The instrument captures the difference in experience between senior and junior clinicians.

Computer Simulation↗
PubMed2001

[With forceps all over the world--Christian Kielland and his forceps].

The history of the obstetric forceps is a colourful chapter in the history of medicine. Several hundred obstetric forceps have been described in detail, but most of them were minor modifications of the prototypes. However, the forceps invented by the Norwegian gynaecologist Christian Kielland (1871-1941) had a considerable impact upon the obstetric world during most of the 20th century. This ingenious instrument was demonstrated in Munich in 1915 and was gradually quite extensively used nearly all over the world. However, a great deal of controversy has surrounded his forceps, also in Norway.

History, 19th Century↗
PubMed1963

Trial and failed forceps in obstetrics.

Current literature dealing with trial and failed forceps is reviewed, and a representative case of each is presented. There is a place in modern obstetrics for trial forceps. "Failed forceps" is due to one or more of the following conditions: (1) cephalopelvic disproportion, (2) malposition of the head, (3) premature interference under conditions unfavourable for vaginal delivery, (4) incomplete dilatation of the cervix, and (5) constriction ring. A large caput succedaneum may occasion premature obstetrical interference. An adequate pelvic examination should be performed and/or lateral radiographs of the pelvis should be taken to prevent this mistake, i.e. attempted forceps extraction. There is no place in the management of failed forceps cases for version and extraction. It may be advisable to perform an elective Cesarean section following failed forceps, even with a dead fetus.

Birth Injuries↗